Description
In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue
Published: 2019-10-06
Score: 3.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Sat, 21 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Libfwsi Project Libfwsi
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T01:33:17.368Z

Reserved: 2019-10-06T00:00:00.000Z

Link: CVE-2019-17263

cve-icon Vulnrichment

Updated: 2024-08-05T01:33:17.368Z

cve-icon NVD

Status : Modified

Published: 2019-10-06T22:15:10.227

Modified: 2024-11-21T04:31:59.103

Link: CVE-2019-17263

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses